CN208029208U - A kind of PCB circuit board water washing device - Google Patents

Abstract

The utility model discloses a kind of PCB circuit board water washing devices, including device body, described device ontology is using conveying roller as feed device, described device ontology is equipped with observation window, described device body interior is equipped with purge chamber, the left end of described device ontology, right end offers feed inlet respectively, discharge port, it is equipped with water knife nozzle successively according to sequence from left to right positioned at the top of the indoor conveying roller of cleaning, first upper nozzle, clearer, second upper nozzle, it is equipped with the first lower nozzle successively according to sequence from left to right positioned at the lower section of the indoor conveying roller of cleaning, second lower nozzle, the bottom end of the purge chamber is equipped with sink, the right end of the sink bottom is communicated with outlet pipe, the outlet pipe is equipped with water valve.The PCB circuit board water washing device is had many advantages, such as that cleaning effect is good, water pollution is small, can be used with popularity.

Description

A kind of PCB circuit board water washing device

Technical field

The utility model belongs to PCB circuit board processing technique field, and in particular to a kind of PCB circuit board water washing device.

Background technology

PCB（ Printed Circuit Board）, Chinese is printed circuit board, also known as printed wiring board, is weight The electronic unit wanted is the supporter of electronic component, is the carrier of electronic component electrical connection.Since it is to use electronics What the art of printing made, therefore be referred to as " printing " circuit board.

Image transfer is a link in PCB manufacturing processes, and detailed process includes film forming, exposure, development, after development Pcb board surface can be stained with lye（Sodium carbonate）Pcb board is subsequently manufactured and is had an adverse effect, is needed clear using water washing device It removes.

Existing PCB circuit board water washing device includes transport mechanism and nozzle, and transport mechanism includes water blocking idler wheel, transmission rolling Wheel, nozzle is the Fan spray head being arranged perpendicular to transport mechanism, and pcb board moves on the transfer mechanism, is sprayed by nozzle clear Water cleans pcb board.

But the Fan spray head of existing water washing device is limited by its own structure, can not quickly remove the alkali on pcb board surface Liquid still has a small amount of lye so entering the first section of water washing device in pcb board on pcb board, low-concentration alkali liquor is met water and be will produce Crystallization（The aobvious alkalinity of carbonate hydrolysis, will produce ferric carbonate, copper carbonate precipitated crystal object）, it crystallizes and is easily attached on water blocking idler wheel, And accumulated on water blocking idler wheel, the crystallization of accumulation keeps water blocking roller surface uneven, is easy to scratch pcb board, and crystallizing can Can fall off it is counter be sticked to pcb board surface, cause PCB product bad.

Utility model content

The purpose of this utility model is to provide a kind of PCB circuit board water washing devices, to solve to carry in above-mentioned background technology The problem of going out.

To achieve the above object, the utility model provides the following technical solutions：A kind of PCB circuit board water washing device, including Device body, for described device ontology using conveying roller as feed device, described device ontology is equipped with observation window, described device Body interior is equipped with purge chamber, and left end, the right end of described device ontology offer feed inlet, discharge port respectively, is located at described clear The top for washing the indoor conveying roller is equipped with water knife nozzle, the first upper nozzle, cleaning according to sequence from left to right successively Roller, the second upper nozzle are equipped with positioned at the lower section of the indoor conveying roller of cleaning according to sequence from left to right successively The bottom end of first lower nozzle, the second lower nozzle, the purge chamber is equipped with sink, and the right end of the sink bottom is communicated with water outlet Pipe, the outlet pipe are equipped with water valve.

Preferably, the water knife nozzle is located at the upper right side on feed inlet top, and second lower nozzle is located at discharge port top The lower left at end.

Preferably, the height of the water knife nozzle is cleaned than high ten centimetres of the top of conveying roller in the water knife nozzle The direction that liquid sprays is with horizontal line at 30-degree angle.

Preferably, for the clearer by being fixedly mounted on roller bearing, roller bearing both ends are separately mounted to two groups by bearing The top of the bottom end of holder, two pack supports is fixedly connected with purge chamber's roof.

Preferably, roller bearing is equipped with driven wheel, and driven wheel is connected by belt with the driving wheel of driving shaft on motor.

The technique effect and advantage of the utility model：The PCB circuit board water washing device, passes through water knife nozzle and conveying roller The nozzle jet cleaning liquid of upper and lower removes the lye of pcb board surface adhesion, and the hair on pcb board surface is removed by clearer Thorn and other sundries, further enhance cleaning performance, cleaning effect is excellent；It will be received for the waste water of cleaning by sink Collection, is handled being discharged to water purification mechanism by outlet pipe, protects environment.

Description of the drawings

Fig. 1 is the structural schematic diagram of the utility model；

Fig. 2 is the conveying roller schematic diagram of the utility model.

In figure：1 water knife nozzle, 2 first upper nozzles, 3 clearers, 4 second upper nozzles, 5 device bodies, 6 discharge ports, 7 Two lower nozzles, 8 water valves, 9 outlet pipes, 10 purge chambers, 11 observation windows, 12 sinks, 13 first lower nozzles, 14 conveying rollers, 15 into Material mouth.

Specific implementation mode

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work The every other embodiment obtained, shall fall within the protection scope of the present invention.

The utility model provides a kind of PCB circuit board water washing device as shown in Figs. 1-2, including device body 5, described Device body 5 is used as feed device using conveying roller 14, and described device ontology 5 is equipped with observation window 11, in described device ontology 5 Portion is equipped with purge chamber 10, and left end, the right end of described device ontology 5 offer feed inlet 15, discharge port 6 respectively, is located at described clear The top of the conveying roller 14 in chamber wash 10 is equipped with water knife nozzle 1, the first upper nozzle successively according to sequence from left to right 2, clearer 3, the second upper nozzle 4 are located at the lower section of the conveying roller 14 in the purge chamber 10 according to from left to right Sequence is equipped with the first lower nozzle 13, the second lower nozzle 7 successively, and the bottom end of the purge chamber 10 is equipped with sink 12, the sink 12 The right end of bottom end is communicated with outlet pipe 9, and the outlet pipe 9 is equipped with water valve 8.

Specifically, the water knife nozzle 1 is located at the upper right side on 15 top of feed inlet, second lower nozzle 7 is located at discharging The lower left on 6 tops of mouth.

Specifically, top high ten centimetre of the height of the water knife nozzle 1 than conveying roller 14, in the water knife nozzle 1 The direction that cleaning solution sprays is with horizontal line at 30-degree angle.

Specifically, the clearer 3, by being fixedly mounted on roller bearing, roller bearing both ends are separately mounted to two groups by bearing The top of the bottom end of holder, two pack supports is fixedly connected with 10 roof of purge chamber.

Specifically, roller bearing is equipped with driven wheel, driven wheel is connected by belt with the driving wheel of driving shaft on motor.

Specifically, the PCB circuit board water washing device is when in use, pcb board is sent into clearly by conveying roller 14 from feed inlet 15 Chamber wash 10, in the first cleaning section, water knife nozzle 1, the first upper nozzle 2 successively clean pcb board upper surface, first time spray First 13 pairs of pcb board lower surfaces are cleaned, and clearer 3 removes the burr on pcb board surface and other sundries, in the second cleaning section In, the second upper nozzle 4 successively cleans pcb board upper surface, and the second lower nozzle 7 cleans pcb board lower surface, most Eventually, pcb board discharges from discharge port 15, sink 12 by the wastewater collection for cleaning, by outlet pipe 9 be discharged to water purification mechanism into Row processing.The PCB circuit board water washing device is had many advantages, such as that cleaning effect is good, water pollution is small, can be used with popularity.

Finally it should be noted that：The above descriptions are merely preferred embodiments of the present invention, is not limited to this Utility model, although the utility model is described in detail with reference to the foregoing embodiments, for those skilled in the art For, it still can be with technical scheme described in the above embodiments is modified, or to which part technical characteristic Equivalent replacement is carried out, within the spirit and principle of the utility model, any modification, equivalent replacement, improvement and so on, It should be included within the scope of protection of this utility model.

Claims (5)

1. a kind of PCB circuit board water washing device, including device body（5）, it is characterised in that：Described device ontology（5）Using defeated Send idler wheel（14）As feed device, described device ontology（5）Equipped with observation window（11）, described device ontology（5）It is internally provided with Purge chamber（10）, described device ontology（5）Left end, right end offer feed inlet respectively（15）, discharge port（6）, it is located at described Purge chamber（10）The interior conveying roller（14）Top according to sequence from left to right successively be equipped with water knife nozzle（1）, One upper nozzle（2）, clearer（3）, the second upper nozzle（4）, it is located at the purge chamber（10）The interior conveying roller（14）'s Lower section is equipped with the first lower nozzle successively according to sequence from left to right（13）, the second lower nozzle（7）, the purge chamber（10）Bottom End is equipped with sink（12）, the sink（12）The right end of bottom end is communicated with outlet pipe（9）, the outlet pipe（9）Equipped with water valve （8）.

2. a kind of PCB circuit board water washing device according to claim 1, it is characterised in that：The water knife nozzle（1）It is located at Feed inlet（15）The upper right side on top, second lower nozzle（7）Positioned at discharge port（6）The lower left on top.

3. a kind of PCB circuit board water washing device according to claim 1, it is characterised in that：The water knife nozzle（1）Height Degree compares conveying roller（14）High ten centimetres of top, the water knife nozzle（1）The direction that middle cleaning solution sprays is with horizontal line at three Ten degree of angles.

4. a kind of PCB circuit board water washing device according to claim 1, it is characterised in that：The clearer（3）By solid On roller bearing, roller bearing both ends are separately mounted to the bottom end of two pack supports, the top of two pack supports and cleaning by bearing for Dingan County Room（10）Roof is fixedly connected.

5. a kind of PCB circuit board water washing device according to claim 4, it is characterised in that：Roller bearing is equipped with driven wheel, from Driving wheel is connected by belt with the driving wheel of driving shaft on motor.